2122101220001 has 4 divisors (see below), whose sum is σ = 2425258537152. Its totient is φ = 1818943902852.

The previous prime is 2122101219991. The next prime is 2122101220021. The reversal of 2122101220001 is 1000221012212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2122101220001 - 2¹⁸ = 2122100957857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2122101220021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151578658565 + ... + 151578658578.

It is an arithmetic number, because the mean of its divisors is an integer number (606314634288).

Almost surely, 2^{2122101220001} is an apocalyptic number.

It is an amenable number.

2122101220001 is a deficient number, since it is larger than the sum of its proper divisors (303157317151).

2122101220001 is an equidigital number, since it uses as much as digits as its factorization.

2122101220001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303157317150.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2122101220001 its reverse (1000221012212), we get a palindrome (3122322232213).

The spelling of 2122101220001 in words is "two trillion, one hundred twenty-two billion, one hundred one million, two hundred twenty thousand, one".